Nantong (Chinese: 南通; pinyin: Nántōng; former names: Nan-t'ung, Nantung, Tungzhou, or Tungchow) is a prefecture-level city in Jiangsu province, People's Republic of China. Locate on the northern bank of the Yangtze River near the river mouth, Nantong is a vital river port bordering Yancheng to the north, Taizhou to the west, Suzhou to the south across the river, and the East China Sea to the east.